223045205 has 6 divisors (see below), whose sum is σ = 267694326. Its totient is φ = 178409448.

The previous prime is 223045201. The next prime is 223045241. The reversal of 223045205 is 502540322.

It can be written as a sum of positive squares in only one way, i.e., 178436164 + 44609041 = 13358^2 + 6679^2 .

It is not a de Polignac number, because 223045205 - 2² = 223045201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223045201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30056 + ... + 36734.

It is an arithmetic number, because the mean of its divisors is an integer number (44615721).

Almost surely, 2^223045205 is an apocalyptic number.

It is an amenable number.

223045205 is a deficient number, since it is larger than the sum of its proper divisors (44649121).

223045205 is an frugal number, since it uses more digits than its factorization.

223045205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 223045205 is about 14934.6980217211. The cubic root of 223045205 is about 606.4536725956.

Adding to 223045205 its reverse (502540322), we get a palindrome (725585527).

The spelling of 223045205 in words is "two hundred twenty-three million, forty-five thousand, two hundred five".